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Impact de la modélisation physique bidimensionnelle multicellulaire du composant semi-conducteur de puissance sur l'évaluation de la fiabilité des assemblages appliqués au véhicule propre

Abstract : On board electric vehicles (EVs) and hybrid (HEV), the functions of traction is provided by power electronic converters. These consist of power modules (IGBT or MOSFET). During their operation, these modules are sometimes subjected to high electrical and thermal stresses that lead to failure or even destruction.The first objective will be to achieve experimental bench to study ageing IGBT modules under extreme operating conditions ( short circuit mode). Thus, we evaluate the various indicators of ageing to predict component failure. Topics will also follow the ageing or degradation initiated on IGBT components by infrared thermography. The second objective is to model and simulate by finite element different IGBT structures to validate the models in static and dynamic operation. The advantage of multicellular approach to the single cell approach will be highlighted.
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https://tel.archives-ouvertes.fr/tel-00926599
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Submitted on : Tuesday, June 24, 2014 - 11:24:03 AM
Last modification on : Monday, October 19, 2020 - 11:04:45 AM
Long-term archiving on: : Wednesday, September 24, 2014 - 11:40:25 AM

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  • HAL Id : tel-00926599, version 2

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Kamal El Boubkari. Impact de la modélisation physique bidimensionnelle multicellulaire du composant semi-conducteur de puissance sur l'évaluation de la fiabilité des assemblages appliqués au véhicule propre. Electronique. Université Sciences et Technologies - Bordeaux I, 2013. Français. ⟨tel-00926599⟩

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